ืžืขื˜ื”ืึธื“ืก ืฆื• ื“ื™ืกื™ื™ื‘ืึทืœ ืœืึทืงื“ืึทื•ืŸ ืฉื•ืฅ ืื™ืŸ ื•ื‘ื•ื ื˜ื• ืฆื• ืจื™ืžืึธื•ื˜ืœื™ ื‘ื™ื™ืคึผืึทืก UEFI Secure Boot

ืึทื ื“ืจื™ื™ ืงืึธื ืึธื•ื•ืึทืœืึธื•ื• ืคึฟื•ืŸ ื’ื•ื’ืœ ืืจื•ื™ืก ื•ื•ืขื’ ืฆื• ืจื™ืžืึธื•ื˜ืœื™ ื“ื™ืกื™ื™ื‘ืึทืœ ืฉื•ืฅ ืœืึทืงื“ืึทื•ืŸื’ืขืคึฟื™ื ื˜ ืื™ืŸ ื“ื™ ืœื™ื ื•ืงืก ืงืขืจืŸ ืคึผืขืงืœ ืฉื™ืคึผื˜ ืžื™ื˜ ื•ื‘ื•ื ื˜ื• (ื˜ืขื›ื ื™ืง ื˜ืขืึธืจืขื˜ื™ืฉ ืกืึทื’ื“ื–ืฉืขืกื˜ื™ื“ ื–ืึธืœ ืึทืจื‘ืขื˜ ืžื™ื˜ ื“ื™ ืงืขืจืŸ ืคื•ืŸ ืคืขื“ืึธืจืึท ืื•ืŸ ืื ื“ืขืจืข ื“ื™ืกื˜ืจื™ื‘ื™ื•ืฉืึทื ื–, ืึธื‘ืขืจ ื–ื™ื™ ื–ืขื ืขืŸ ื ื™ืฉื˜ ื˜ืขืกื˜ืขื“).

ืœืึทืงื“ืึทื•ืŸ ืจื™ืกื˜ืจื™ืงืฅ ื•ื•ืึธืจืฆืœ ื‘ืึทื ื™ืฆืขืจ ืึทืงืกืขืก ืฆื• ื“ื™ ืงืขืจืŸ ืื•ืŸ ื‘ืœืึทืงืก UEFI Secure Boot ื‘ื™ื™ืคึผืึทืก ืคึผืึทื˜ืก. ืคึฟืึทืจ ื‘ื™ื™ึทืฉืคึผื™ืœ, ืื™ืŸ ืœืึทืงื“ืึทื•ืŸ ืžืึธื“ืข, ืึทืงืกืขืก ืฆื• /dev/mem, /dev/kmem, /dev/port, /proc/kcore, debugfs, kprobes ื“ื™ื‘ืึทื’ื™ื ื’ ืžืึธื“ืข, mmiotrace, tracefs, BPF, PCMCIA CIS (ืงืึทืจื“ ืื™ื ืคึฟืึธืจืžืึทืฆื™ืข ืกื˜ืจื•ืงื˜ื•ืจ), ืขื˜ืœืขื›ืข ื™ื ื˜ืขืจืคื™ื™ืกื™ื– ื–ืขื ืขืŸ ืœื™ืžื™ื˜ืขื“ ACPI ืื•ืŸ MSR ืจืขื’ื™ืกื˜ืขืจืก ืคื•ืŸ ื“ื™ ืงืคึผื•, ืงืึทืœืœืก ืฆื• kexec_file ืื•ืŸ kexec_load ื–ืขื ืขืŸ ืืคื’ืขืฉื˜ืขืœื˜, ืฉืœืึธืคืŸ ืžืึธื“ืข ืื™ื– ืคึผืจืึธื•ื›ื™ื‘ืึทื˜ืึทื“, DMA ื ื•ืฆืŸ ืคึฟืึทืจ PCI ื“ืขื•ื•ื™ืกืขืก ืื™ื– ืœื™ืžื™ื˜ืขื“, ืึทืจื™ื™ึทื ืคื™ืจ ืคื•ืŸ ACPI ืงืึธื“ ืคื•ืŸ EFI ื•ื•ืขืจื™ืึทื‘ืึทืœื– ืื™ื– ืคึผืจืึธื•ื›ื™ื‘ืึทื˜ืึทื“, ืžืึทื ื™ืคึผื™ืึทืœื™ื™ืฉืึทื ื– ืžื™ื˜ ื™ / ืึธ ืคึผืึธืจืฅ ื–ืขื ืขืŸ ื ื™ืฉื˜. ืขืจืœื•ื™ื‘ื˜, ืึทืจื™ื™ึทื ื’ืขืจืขื›ื ื˜ ื˜ืฉืึทื ื’ื™ื ื’ ื“ื™ ื™ื‘ืขืจืจื™ื™ึทืก ื ื•ืžืขืจ ืื•ืŸ ื™ / ืึธ ืคึผืึธืจื˜ ืคึฟืึทืจ ืกื™ืจื™ืึทืœ ืคึผืึธืจื˜.

ื“ื™ ืœืึทืงื“ืึทื•ืŸ ืžืขืงืึทื ื™ื–ืึทื ืื™ื– ืœืขืฆื˜ื ืก ืฆื•ื’ืขื’ืขื‘ืŸ ืฆื• ื“ื™ ื”ื•ื™ืคึผื˜ ืœื™ื ื•ืงืก ืงืขืจืŸ 5.4, ืึธื‘ืขืจ ืื™ืŸ ื“ื™ ืงืขืจื ืึทืœื– ืกืึทืคึผืœื™ื™ื“ ืื™ืŸ ื“ื™ืกื˜ืจื™ื‘ื™ื•ืฉืึทื ื– ืขืก ืื™ื– ื ืึธืš ื™ืžืคึผืœืึทืžืขื ืึทื“ ืื™ืŸ ื“ื™ ืคืึธืจืขื ืคื•ืŸ ืคึผืึทื˜ืฉืึทื– ืึธื“ืขืจ ืกืึทืคึผืœืึทืžืขื ื˜ืึทื“ ืžื™ื˜ ืคึผืึทื˜ืฉืึทื–. ืื™ื™ื ืขืจ ืคื•ืŸ ื“ื™ ื“ื™ืคืขืจืึทื ืกื™ื– ืฆื•ื•ื™ืฉืŸ ื“ื™ ืึทื“ื™ืฉืึทื ื– ืฆื•ื’ืขืฉื˜ืขืœื˜ ืื™ืŸ ืคืึทืจืฉืคึผืจื™ื™ื˜ื•ื ื’ ืงื™ืฅ ืื•ืŸ ื“ื™ ื™ืžืคึผืœืึทืžืขื ื˜ื™ื™ืฉืึทืŸ ื’ืขื‘ื•ื™ื˜ ืื™ืŸ ื“ื™ ืงืขืจืŸ ืื™ื– ื“ื™ ืคื™ื™ื™ืงื™ื™ื˜ ืฆื• ื“ื™ืกื™ื™ื‘ืึทืœ ื“ื™ ืฆื•ื’ืขืฉื˜ืขืœื˜ ืœืึทืงื™ื ื’ ืื•ื™ื‘ ืื™ืจ ื”ืึธื‘ืŸ ื’ืฉืžื™ื•ืช ืึทืงืกืขืก ืฆื• ื“ื™ ืกื™ืกื˜ืขื.

ืื™ืŸ ื•ื‘ื•ื ื˜ื• ืื•ืŸ ืคืขื“ืึธืจืึท, ื“ื™ ืฉืœื™ืกืœ ืงืึธืžื‘ื™ื ืึทืฆื™ืข Alt+SysRq+X ืื™ื– ืฆื•ื’ืขืฉื˜ืขืœื˜ ืฆื• ื“ื™ืกื™ื™ื‘ืึทืœ ืœืึทืงื“ืึทื•ืŸ. ืขืก ืื™ื– ืคืืจืฉื˜ืื ืขืŸ ืึทื– ื“ื™ ืงืึธืžื‘ื™ื ืึทืฆื™ืข Alt+SysRq+X ืงืขื ืขืŸ ื–ื™ื™ืŸ ื’ืขื•ื•ื™ื™ื ื˜ ื‘ืœื•ื™ื– ืžื™ื˜ ืคื™ื–ื™ืฉ ืึทืงืกืขืก ืฆื• ื“ื™ ืžื™ื˜ืœ, ืื•ืŸ ืื™ืŸ ื“ื™ ืคืึทืœ ืคื•ืŸ ื•ื•ื™ื™ึทื˜ ื›ืึทืงื™ื ื’ ืื•ืŸ ื‘ืึทืงื•ืžืขืŸ ื•ื•ืึธืจืฆืœ ืึทืงืกืขืก, ื“ื™ ืึทื˜ืึทืงืขืจ ื•ื•ืขื˜ ื ื™ืฉื˜ ืงืขื ืขืŸ ืฆื• ื“ื™ืกื™ื™ื‘ืึทืœ ืœืึทืงื“ืึทื•ืŸ ืื•ืŸ, ืœืžืฉืœ, ืœืึธื“ืŸ ืึท ืžืึธื“ื•ืœืข ืžื™ื˜ ืึท ืจืึธืึธื˜ืงื™ื˜ ื•ื•ืึธืก ืื™ื– ื ื™ืฉื˜ ื“ื™ื“ื–ืฉืึทื˜ืึทืœื™ ื’ืขื—ืชืžืขื˜ ืื™ืŸ ื“ื™ ืงืขืจืŸ.

ืึทื ื“ืจื™ื™ ืงืึธื ืึธื•ื•ืึทืœืึธื•ื• ื’ืขื•ื•ื™ื–ืŸ ืึทื– ืงืœืึทื•ื•ื™ืึทื˜ื•ืจ-ื‘ืื–ื™ืจื˜ ืžืขื˜ื”ืึธื“ืก ืฆื• ื‘ืึทืฉื˜ืขื˜ื™ืงืŸ ื“ื™ ื’ืฉืžื™ื•ืช ื‘ื™ื™ึทื–ื™ื™ึทืŸ ืคื•ืŸ ื“ื™ ื‘ืึทื ื™ืฆืขืจ ื–ืขื ืขืŸ ื™ื ื™ืคืขืงื˜ื™ื•ื•. ื“ื™ ืกื™ืžืคึผืœืึทืกื˜ ื•ื•ืขื’ ืฆื• ื“ื™ืกื™ื™ื‘ืึทืœ ืœืึทืงื“ืึทื•ืŸ ื•ื•ืึธืœื˜ ื–ื™ื™ืŸ ืคึผืจืึธื’ืจืึทืžืžืึทื˜ื™ืงืึทืœืœื™ ืกื™ืžื™ืึทืœื™ื™ืฉืึทืŸ ื“ืจื™ื ื’ืœืขืš Alt+SysRq+X ื“ื•ืจืš /dev/uinput, ืึธื‘ืขืจ ื“ืขื ืึธืคึผืฆื™ืข ืื™ื– ื˜ื›ื™ืœืขืก ืืคื’ืขืฉื˜ืขืœื˜. ืื™ืŸ ื“ืขืจ ื–ืขืœื‘ื™ืงืขืจ ืฆื™ื™ื˜, ืขืก ืื™ื– ื’ืขื•ื•ืขืŸ ืžืขื’ืœืขืš ืฆื• ื™ื“ืขื ื˜ื™ืคื™ืฆื™ืจืŸ ืœืคึผื—ื•ืช ืฆื•ื•ื™ื™ ืžืขืจ ืžืขื˜ื”ืึธื“ืก ืคื•ืŸ ืกืึทื‘ืกื˜ื™ื˜ื•ืฉืึทืŸ Alt + SyRq + X.

ื“ืขืจ ืขืจืฉื˜ืขืจ ืื•ืคึฟืŸ ื™ื ื•ื•ืึทืœื•ื•ื– ื ื™ืฆืŸ ื“ื™ "sysrq-trigger" ืฆื•ื‘ื™ื ื“ - ืฆื• ืกื™ืžื•ืœื™ืจืŸ ืขืก, ื ืึธืจ ื’ืขื‘ืŸ ื“ืขื ืฆื•ื‘ื™ื ื“ ื“ื•ืจืš ืฉืจื™ื™ื‘ืŸ "1" ืฆื• /proc/sys/kernel/sysrq, ืื•ืŸ ื“ืขืžืึธืœื˜ ืฉืจื™ื™ึทื‘ืŸ "X" ืฆื• /proc/sysrq-trigger. ื’ืขื–ืื’ื˜ ืฉืœื™ื™ืฃ ื™ืœื™ืžืึทื ื™ื™ื˜ืึทื“ ืื™ืŸ ื“ื™ ื“ืขืฆืขืžื‘ืขืจ Ubuntu ืงืขืจืŸ ื“ืขืจื”ื™ื™ึทื ื˜ื™ืงืŸ ืื•ืŸ ืื™ืŸ ืคืขื“ืึธืจืึท 31. ืขืก ืื™ื– ื ืึธื•ื˜ื•ื•ืขืจื“ื™ ืึทื– ื“ื™ ื“ืขื•ื•ืขืœืึธืคึผืขืจืก, ื•ื•ื™ ืื™ืŸ ื“ืขื ืคืึทืœ ืคื•ืŸ /dev/uinput, ื˜ื›ื™ืœืขืก. ื’ืขืคืจื•ื•ื•ื˜ ืฆื• ืคืึทืจืฉืคึผืึทืจืŸ ื“ืขื ืื•ืคึฟืŸ, ืึธื‘ืขืจ ื‘ืœืึทืงื™ื ื’ ื”ืื˜ ื ื™ืฉื˜ ืึทืจื‘ืขื˜ืŸ ืจืขื›ื˜ ืฆื• ืžื™ืกื˜ื™ื™ืงืก ืื™ืŸ ืงืึธื“.

ื“ื™ ืจื’ืข ืื•ืคึฟืŸ ื™ื ื•ื•ืึทืœื•ื•ื– ืงืœืึทื•ื•ื™ืึทื˜ื•ืจ ืขืžื™ืึทืœื™ื™ืฉืึทืŸ ื“ื•ืจืš ื•ืกื‘ / IP ืื•ืŸ ืฉื™ืงื˜ ื“ื™ ืกื™ืงื•ื•ืึทื ืก Alt + SyRq + X ืคึฟื•ืŸ ื“ื™ ื•ื•ื™ืจื˜ื•ืึทืœ ืงืœืึทื•ื•ื™ืึทื˜ื•ืจ. ื“ื™ ื•ืกื‘ / IP ืงืขืจืŸ ืฉื™ืคึผื˜ ืžื™ื˜ ื•ื‘ื•ื ื˜ื• ืื™ื– ืขื ื™ื™ื‘ืึทืœื“ ื“ื•ืจืš ืคืขืœื™ืงื™ื™ึทื˜ (CONFIG_USBIP_VHCI_HCD=m ืื•ืŸ CONFIG_USBIP_CORE=m) ืื•ืŸ ื’ื™ื˜ ื“ื™ ื“ื™ื“ื–ืฉืึทื˜ืึทืœื™ ื’ืขื—ืชืžืขื˜ usbip_core ืื•ืŸ vhci_hcd ืžืึทื“ื–ืฉื•ืœื– ืคืืจืœืื ื’ื˜ ืคึฟืึทืจ ืึธืคึผืขืจืึทืฆื™ืข. ื“ืขืจ ืึทื˜ืึทืงืขืจ ืงืขื ืขืŸ ืฉืึทืคึฟืŸ ื•ื•ื™ืจื˜ื•ืขืœ ื•ืกื‘ ืžื™ื˜ืœ, ืคืœื™ืกื ื“ื™ืง ื ืขืฅ ื”ืึทื ื“ืœืขืจ ืื•ื™ืฃ ื“ื™ ืœื•ืคึผื‘ืึทืงืง ืฆื•ื‘ื™ื ื“ ืื•ืŸ ืงืึทื ืขืงื˜ื™ื ื’ ืขืก ื•ื•ื™ ืึท ื•ื•ื™ื™ึทื˜ ื•ืกื‘ ืžื™ื˜ืœ ื ื™ืฆืŸ ื•ืกื‘ / IP. ื•ื•ืขื’ืŸ ื“ื™ ืกืคึผืขืกื™ืคื™ืขื“ ืื•ืคึฟืŸ ื’ืขืžืืœื“ืŸ ืฆื• Ubuntu ื“ืขื•ื•ืขืœืึธืคึผืขืจืก, ืึธื‘ืขืจ ืึท ืคืึทืจืจื™ื›ื˜ืŸ ืื™ื– ื ืึธืš ื ื™ืฉื˜ ื‘ืืคืจื™ื™ื˜.

ืžืงื•ืจ: opennet.ru

ืœื™ื™ื’ืŸ ืึท ื‘ืึทืžืขืจืงื•ื ื’